diff --git a/src/dx/utils/formatting.py b/src/dx/utils/formatting.py
index 34d7022f..1eb12b7e 100644
--- a/src/dx/utils/formatting.py
+++ b/src/dx/utils/formatting.py
@@ -273,7 +273,7 @@ def clean_series_values(s: pd.Series) -> pd.Series:
     """
     dtype_str = str(s.dtype)
 
-    if dtype_str in {"float", "int", "bool"}:
+    if dtype_str in {"float", "float64", "int", "int64", "bool"}:
         # skip standard dtypes
         logger.debug(f"skipping `{s.name}` since it has dtype `{dtype_str}`")
         return s